Seiko Men's SNE097 Functional Solar Casual Watch For those who prefer little fanfare, this solar watch from Seiko Men's exudes understated appeal with its numberless black dial and croco-embossed leather strap. Japanese quartz movement with analog display Protective Hardlex crystal dial window Features include no battery required, day/date Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving